<?php

	$regex = "/\b(p\.?\s?o\.?\b|post office|\d{2,5})\s*(?:\S\s*){8,50}(AK|Alaska|AL|Alabama|AR|Arkansas|AZ|Arizona|CA|California|CO|Colorado|CT|Connecticut|DC|Washington\sDC|Washington\D\.C\.|DE|Delaware|FL|Florida|GA|Georgia|GU|Guam|HI|Hawaii|IA|Iowa|ID|Idaho|IL|Illinois|IN|Indiana|KS|Kansas|KY|Kentucky|LA|Louisiana|MA|Massachusetts|MD|Maryland|ME|Maine|MI|Michigan|MN|Minnesota|MO|Missouri|MS|Mississippi|MT|Montana|NC|North\sCarolina|ND|North\sDakota|NE|New\sEngland|NH|New\sHampshire|NJ|New\sJersey|NM|New\sMexico|NV|Nevada|NY|New\sYork|OH|Ohio|OK|Oklahoma|OR|Oregon|PA|Pennsylvania|RI|Rhode\sIsland|SC|South\sCarolina|SD|South\sDakota|TN|Tennessee|TX|Texas|UT|Utah|VA|Virginia|VI|Virgin\sIslands|VT|Vermont|WA|Washington|WI|Wisconsin|WV|West\sVirginia|WY|Wyoming)(\s+|\&nbsp\;|\<(\S|\s){1,10}\>){1,5}\d{5}/i";

?>